Tony Northrup is a developer, security consultant and author with more than 10 years of professional experience developing applications for Microsoft Windows. Developers frequently need to process ...

Abstract: Regular expressions are notoriously difficult to get right, with developers often having to resort to trial-and-error approaches. Even so, little attention ...

A regex is considered a literal, so the pattern must be wrapped in slash characters (/). If we examine the “Matching a Username” regex, you'll see that this is true: /^ [a-z0-9_-] {3,16}$/ Note: ...

I don't know how to explain because I don't even understand what's going on, causing this issue. I will try to provide details as much as I can. Generate regular expressions from a string of array I ...

Regular expressions have been part of the programmer’s toolkit for a long time, with their creation by Stephen Cole King in 1951. Their ability to match word patterns make them a powerful tool for ...